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 TM 9-2330-326-14&P
H-28.
TROUBLESHOOTING BRAKE DRUMS (Cont.)
EXAMPLE
PROBLEM
CAUSE
SOLUTION
Faded or
High temperature in brake
Check brake drum, brake
diminished
system, improperly
lining condition, brake
brake powder
adjusted brakes or
adjustment, and brake
inferior brake lining
balance. Avoid operating
Photo Not
conditions or loads that
Required For
create excessive brake
Explanation
temperature.
Heat spotted drums,
Noise, chatter,
grease-stained drums,
The brake drum should be
or pulsating
loose brake drum or
removed and checked for
during brake
brake components
one or more of these
application
conditions and the
appropriate action (as
described in this section)
should be taken to resolve
the condition.
Crack between
Improper handling
Replace brake drum.
the pilot and a
bolt hole
Installation on dirty hub
Replace brake drum.
Clean the hub prior to
installing replacement
brake drum.
Mounting flange
Installation on dirty hub
Replace brake drum.
separated from
Clean the hub prior to
hoop section of
installing replacement
the brake drum
brake drum.
Wheel hitting the drum
Wrong application.
Replace brake drum with
correct part number.
H-78
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